<app-home></app-home>

<br>
<br>
<hr>
<br>
<h3>调用用户模块</h3>
<app-user></app-user>
<br>
<br>
<h3>从app根模块调用user的收货模块</h3>
<app-address></app-address>
<br>
<br>
<hr>
<br>
<h2>调用商品模块</h2>
<app-product></app-product>
